Product Description
The LF 10249 is a factory-spec U-Cup hydraulic seal designed for main lift piston assemblies in Lift-Rite manual pallet jacks, including L50 and L50MU models. Constructed from high-performance urethane elastomer, this energizing seal provides reliable dynamic sealing under hydraulic pressure and is included in Lift-Rite service kits LF 10278-SUPER and LF 10278. This direct replacement seal restores hydraulic integrity and lift performance.
Specifications
Dimensional Specifications
| Seal Orientation | Wide side faces hydraulic pressure direction |
Material & Construction
| Seal Material Specification | High-performance urethane elastomer |
Part Numbers
| Part Number | LF 10249 |
| Cross-Reference Part Numbers | LR10249, Lift-Rite 10249 |
| Compatible Equipment | Lift-Rite L50, L50MU, L50M, L50M-4WAY, L50MU-4WAY, L50 Mini, L50 CHEP (4-way), L55 manual pallet jacks; also compatible with Big Joe, Hu-Lift, Interthor, Jet, and Magnum manual lift equipment |
| Supersedes | No documented supersession found for LF 10249 |
| Service Kits | Included in Lift-Rite service kits LF 10278-SUPER and LF 10278 |
Frequently Asked Questions
Q: What is the LF 10249 and what is its material composition?
A: The LF 10249 is a U-Cup hydraulic seal manufactured from high-performance urethane elastomer. It is designed as an energizing seal for main lift piston assemblies in Lift-Rite manual pallet jacks, providing reliable dynamic sealing under hydraulic pressure.
Q: Which equipment models is the LF 10249 compatible with?
A: The LF 10249 is compatible with Lift-Rite L50, L50MU, L50M, and 4-way variants, as well as L55, LRP 5000, and other Lift-Rite models. It also fits manual pallet jacks from Big Joe, Hu-Lift, Interthor, Jet, and Magnum brands. Verify your model number on the equipment nameplate before ordering.
Q: What are the cross-reference part numbers for the LF 10249?
A: Cross-reference part numbers include LR10249 and Lift-Rite 10249. These designations refer to the same seal component and can be used interchangeably when ordering.
Q: Why is the LF 10249 made from urethane elastomer?
A: High-performance urethane elastomer provides superior resistance to hydraulic fluids, wear, and extrusion under pressure. This material maintains flexibility and sealing integrity across a wide range of operating temperatures and pressures typical in manual pallet jack hydraulic systems.
Q: Is there a newer part number that replaces the LF 10249?
A: No documented supersession has been published for the LF 10249. Order the LF 10249 directly when replacement is needed.
Q: What are signs that the LF 10249 seal needs replacement?
A: Signs of seal failure include visible hydraulic leaks from the main cylinder, inability to reach or maintain lift height, or gradual loss of pressure in the lifting system. Replacement restores proper hydraulic function and prevents component damage.
Q: Is the LF 10249 included in service kits?
A: Yes, the LF 10249 is included in Lift-Rite service kits LF 10278-SUPER and LF 10278 for complete lift system maintenance.